Samarium(III) nitrate is an odorless, white-colored chemical compound with the formula Sm(NO3)3.
When further heated to 420°C, it is converted to the oxynitrate, and at 680°C it decomposes to form samarium(III) oxide.
[2] Samarium(III) nitrate is produced by the reaction of samarium hydroxide and nitric acid:[citation needed] Samarium(III) nitrate is a lewis acid catalyst that is used to produce a nitrate precursor solution that is used as a nanocatalyst in the solid oxide regenerative fuel cells.
The samarium doped ceria is produced by mixing cerium(III) nitrate and samarium(III) nitrate together using triethylene glycol as a solvent for 5 hours at 200°C.
Then it was heated up to 500°C for two hours which made the samarium doped ceria.